Dishoeck

Promotor: E. F. van Dishoeck, Co-promotor: C. Walsh

This thesis addresses the chemical processes that determine the compositions of giant planet atmospheres.

A large diversity of exoplanetary systems has been found, but it is still unclear what drives this diversity.

Planets are formed in disks of gas and dust around young stars.

Promotor: J. Schaye

Polycyclic aromatic hydrocarbons (PAHs) are the most abundant class of organic compounds in space. The PAH field evolves from the constant interaction between experimentalists, theorists, modellers and observers. While laboratory research and quantum chemical calculations together set up the molecular…

Promotores: Prof.dr. E.F. van Dishoeck, Prof.dr. C.P. Dullemond

Large areas of space are filled by molecular clouds that consist of gas and dust grains that are the remnants of dead stars. When these clouds start collapsing, the decreasing temperature and increasing density cause gas particles to start accreting onto dust grain surfaces.

Promotor: Prof.dr. E.F. van Dishoeck, Co-Promotor: G.J. Herczeg

This thesis examines the link between simple molecules and the underlying structure and chemistry within protoplanetary disks - the birthplaces of planets.

Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: H.M. Cuppen, S. Ioppolo

Promotor: H.V.J. Linnartz

Laboratory, observation and modeling work on the dissociation of polycyclic aromatic hydrocarbons in interstellar environments and the formation of new molecular species through the fragmentation process.

To address the fundamental questions of how life on Earth emerged and how common life may be in the Universe, it is crucial to know the chemical composition of the planet-forming material.

The Dutch scientist prof. dr. Ewine F. van Dishoeck, Leiden Observatory, Leiden University and Max Planck Institute for Extraterrestrial Physics, will receive the 2018 James Craig Watson Medal from the american National Academy of Sciences (NAS).

Promotor: Prof.dr. H.L.V. Linnartz

The thesis explores how interstellar chemistry evolves as a function of time and changing physical architectures during the formation of stars.

In this thesis chemical and physical processes in the ice mantles on interstellar dust grains are studied.

This thesis is largely an experimental study on the formation of solid-state simple and complex organic molecules in the H2O-rich and CO-rich ice phases of dense interstellar clouds and dark cores.

Multiple stars, that is two or more stars composing a gravitationally bound system, are common in the universe.

My work focuses on a class of astronomical objects called protoplanetary disks.

Leiden PhD researcher Karin Öberg is one of the 17 winners of the NASA Hubble Fellowship. When she has obtained her PhD this autumn she will move to the United States for three years to conduct post-doctoral research into the role of ice in star formation.

Promotor: Prof.dr. E.F. van Dishoeck, Co-promotor: S. Bruderer

Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: S. Ioppolo, H.M. Cuppen

This thesis is about the study of hydrocarbons via infrared spectroscopy.

This thesis discusses the physical and chemical processes than influence the composition of forming planets.

Promotor: Prof.dr. E.F. van Dishoeck, Prof.dr. F.F.S. van der Tak (RUG)

In this thesis, we present new laboratory data of interstellar dust analogues.

Astronomical observations of cold regions in the universe show a rich inventory of ices. Part of these ices may end up on planets like our own, but in that journey they will be exposed to considerable amounts of radiation.

Promotor: Prof.dr. E. F. van Dishoeck, Co-promotor: A. N. Heays

Former PhD student Cameron Mackie will been awarded not one, but two dissertation prizes for his thesis on the aromatic universe. His work could provide us with a virtual sniff of space. ‘These molecules in space likely smell like a big charcoal grill!’

Lecture

In the large gas clouds between the stars, chemical reactions take place under extreme conditions, giving rise to both small molecules, such as water and common salt, as well as large complex molecules that can serve as the building blocks of life. This is known as astrochemistry and it is something…

Leiden Observatory and ESA are pleased to welcome applications for the sixth edition of the LEAPS program. LEAPS is an opportunity for students with an interest in astronomy and astrophysics to perform a 10-12 week summer research project in collaboration with a research scientist from Leiden Observatory…

By effectively integrating word-class scientific research and excellent education, you will become a professional astronomer with an internationally recognized degree.

Cameron Mackie has been awarded both the Dissertation prize of the Laboratory Astrophysics division of the American Astronomical Society and the Dissertation prize of the Astrochemistry subdivision of the American Chemical Society for his thesis entitled "The Anharmonic Infrared Spectra of Polycyclic…

At Leiden Observatory, researchers investigate the origin of stars and their planetary systems. They detect and characterize planets around other stars (exoplanets). They study how stars and planets form. And they follow molecules from interstellar clouds to nascent planet systems. This way they address…

By effectively integrating word-class scientific research and excellent education, you will become a professional astronomer with an internationally recognized degree.

By integrating world-class scientific research and education, you will become a professional physicist with an internationally recognized degree.

By effectively integrating word-class scientific research and excellent education, you will become a professional astronomer with an internationally recognized degree.

Researchers at Leiden Observatory study the fundamental physics that creates structure in the Universe. These processes collect matter into galaxies and gas into stars. With the use of powerful telescopes and advanced calculations and computer simulations, Leiden astronomers seek to understand the origin,…

Within the two-year Astronomy master’s programme, you can choose from seven specialisations, ranging from fundamental or applied astronomy research in cosmology, instrumentation or data science, to combinations of astronomy research with education, management or science communication.

By effectively integrating word-class scientific research and excellent business education, you will become a professional astronomer with an internationally recognized MSc degree prepared for technological business challenges.